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If artificial gravity couldn’t be provided to the mother-to-be, an alternative might be a human-sized centrifuge to spin the pregnant person around.

“Do we bring Earth with us? Create artificial gravity? If we take Earth with us, are we going to stall evolution? Or do we let people start with an adaptive response, and maybe it’s hard for people multiple generations later to come back?”

The same physics underpin most plans for creating what is colloquially referred to as artificial gravity.

Current plans show that it would hold 280 guests and 112 crew members, with its spinning-wheel design providing artificial gravity.

For all I know, that science may have MIT wonks hooting in derision, but when it offhandedly imagines a whole artificial gravity system, involving a module tethered to a dead rocket, spinning so fast that the Earth rises and sets a few times every minute, it sure passes the sniff test of the armchair astrophysicist with solar-flared colors.